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In the aftermath of the explosion at the safehouse that has left Amit Hadar dead and Vance badly injured, the NCIS team investigate and Gibbs soon discovers that the history behind Vance and Eli David's friendship and how it's all connected to a plot involving rogue Russian operatives that occurred in the 1990s.

This short story arc revealed that due to Jenny's damning actions she wasn't consider a "contributor" towards the meeting with previous NCIS directors. However Eli David strongly believed she should've been a contributor because it was her that brought great relationship between NCIS and Mossad

The last few minutes of this episode shows how Gibbs and Vance met which later tied into the Season 5 episode Internal Affairs (episode).

Although described as the Naval War College in Rhode Island, the initial scenes set in 1991 are visibly shot on the same location used as Waverly University, perhaps most notably seen in the NCIS Season 2 episode, Red Cell (episode).